noun-modifying (irregular)
Prenominal form of 太る (to gain weight), describing a person, animal, or body part as having become fat or plump. Often used in a descriptive, sometimes affectionate way.
太った猫がソファで寝ている。
A fat cat is sleeping on the sofa.
彼は太ったお腹を気にしている。
He is self-conscious about his plump belly.
Prenominal form of the verb 太る (futoru, 'to grow fat'), from Old Japanese. The kanji 太 carries the meaning 'thick, plump'.